Home / 38,631,806.40-57,947,709.60-11,705,462.40

Finding the Fourth Proportional to 38,631,806.40, 57,947,709.60 and 11,705,462.40

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Solution

The fourth proportional to 38,631,806.40, 57,947,709.60 and 11,705,462.40 is: 17,558,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,806.40 : 57,947,709.60 = 11,705,462.40 : x
  2. Step 2: Convert to fraction form
    38,631,806.40/57,947,709.60 = 11,705,462.40/x
  3. Step 3: Cross multiply
    38,631,806.40x = 57,947,709.60 × 11,705,462.40
  4. Step 4: Simplify right side
    38,631,806.40x = 678,304,735,888,919.12
  5. Step 5: Solve for x
    x = 678,304,735,888,919.12/38,631,806.40
  6. Step 6: Final answer
    x = 17,558,193.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.